The lymphatic system
A. has a pumping mechanism to move fluid.
B. includes areas of high concentrations of APCs, T and B cells.
C. collects fluid from around the brain and spinal cord.
D. is very impermeable to extracellular fluid.
E. is the site of B and T cell clonal deletion.
Answer: B
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In a family pedigree that followed several
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a. dominant b. recessive c. X-linked d. epistatic e. pleiotrophic
Amino acid breakdown by the liver produces _____ , which is very toxic to cells
Fill in the blank(s) with the appropriate word(s).
Which of the following components is involved in the initiation of transcription?
A) primer B) origin C) promoter D) start codon
The infective stage of the Cryptosporidium parvum is:
A. The Trophozoite B. The Cyst C. The Oocyst D. The Sporozoite E. The trypomastigote.